<template>
  <!-- 主体部分 -->
  <section class="main">
    <!-- 全选反选按钮 -->
    <input id="toggle-all" class="toggle-all" type="checkbox" v-model="all" />
    <label for="toggle-all">Mark all as complete</label>
    <ul class="todo-list">
      <!-- 当任务已完成，可以给 li 加上 completed 类，会让元素加上删除线 -->
      <li v-for="item in list" :key="item.id" :class="{ completed: item.done }">
        <div class="view">
          <input
            class="toggle"
            type="checkbox"
            :id="item.id"
            :checked="item.done"
            @change="$emit('change-event', item.id)"
          />
          <label :for="item.id">{{ item.name }}</label>
          <button
            class="destroy"
            @click="$emit('remove-event', item.id)"
          ></button>
        </div>
      </li>
    </ul>
  </section>
</template>

<script>
export default {
  props: {
    list: {
      type: Array,
      required: true,
    },
  },
  computed: {
    all: {
      get() {
        return this.list.every((item) => item.done === true);
      },
      set(value) {
        this.$emit("checked-event", value);
      },
    },
  },
  methods: {},
};
</script>

<style scoped>
button {
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  font-size: 100%;
  vertical-align: baseline;
  font-family: inherit;
  font-weight: inherit;
  color: inherit;
  -webkit-appearance: none;
  appearance: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
</style>
